Because you like Aldous Snow in Get Him to the Greek

Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.

Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.

Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.

His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.